References Authors Horwell, C. J. Category Ash hazards and impacts - respiratory IVHHN, protocols & supporting references Sub-Category Physicochemical or geochemical Year 2007 Publication Journal of Environmental Monitoring Volume, Issue, Pages 9(10), 1107 - 1115 DOI 10.1039/B710583P URL https://pubs.rsc.org/en/content/articlehtml/2007/em/b710583p